Question

Find the decimal forms of the sums given below

$\frac{1}{5} + \frac{1}{25} + \frac{1}{125}$


$\frac{1}{5} + \frac{1}{5 {}^{2} } + \frac{1}{5 {}^{3} } + \frac{1}{5 {}^{4} }$
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Answer 1

Given,

1/5+1/25+1/125= 0.2+0.04+0.008

then 1/5+1/25+1/125=0.248 Ans.

&

1/5+ 1/5²+1/5³+1/5⁴ =0.2+0.04+0.008+0.0016

= 0.2496 Ans.